1994 TW1

1994TW1, 09400, J94T01W

All data for this body: [vot]

MPC data
Name (number) 1994 TW1 (9400)
a 2.58785
e 0.58080
i / sin(i) 35.9906 / 0.58765
q 1.08483
Q 4.09088
ω 62.1578
Node 3.3556
m 98.5495
n 0.2368
Epoch 2460800.5
nobs 1933
nopp 15
Years observed 1991-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.592
ep 0.277
sin(ip) 0.651
G 0.150
H 14.840
Mass
D 3.62 0.049
pV 0.142 0.0192
Value
Rotational Period 97.000
Period quality 2
Spectral Class S
Spectral Class Score 32.170
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5922 0.2771 0.6510 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.94 0.243 0.243 Masiero 2017AJ....154..168M NEATM
3.69 0.050 0.050 Nugent 2016AJ....152...63N NEATM
3.72 1.690 1.690 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.130 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.139 0.0730 0.1550 Masiero 2021PSJ.....2..162M NEATM
0.355 0.0833 0.0833 Masiero 2017AJ....154..168M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.84 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
20.0 Synodic Monteiro 2018P&SS..164...54M Lightcurve
82.6 2 Synodic Vaduvescu 2017EM&P..120...41V Lightcurve
82.8 2 Synodic Warner 2016MPBu...43...66W Lightcurve
97.1 2 Synodic Warner 2016MPBu...43..311W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.383 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S Bus-DeMeo VISNIR Binzel 2019Icar..324...41B SPEC
S 0.910000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S 0.960000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
Sr Bus-DeMeo NIR Marsset 2022AJ....163..165M SPEC
Sr Bus VIS Bus 2002Icar..158..146B SPEC
Sr Bus VISNIR Binzel 2004Icar..170..259B SPEC